Answer:
The value of y when x equals 2 is -6.
Step-by-step explanation:
Substitute the value of x, which is 2, in the equation [tex]3x-4y=30[/tex].
[tex]\tt{3x-4y=30}[/tex]
[tex]\tt{3(2)-4y=30}[/tex]
[tex]\tt{6-4y=30}[/tex]
[tex]\tt{-4y=30-6}[/tex]
[tex]\tt{-4y=24}[/tex]
[tex]\tt{\frac{-4y}{-4}=\frac{24}{-4}}[/tex]
[tex]\boxed{\tt{y=-6}}[/tex]
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